171220840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{14221}}^1$

素因数の和:14282

約数の個数: 64

約数和(自身を含む): 450552960

約数和(自身を除く): 279332120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 14221, 28442, 56884, 71105, 99547, 113768, 142210, 199094, 284420, 398188, 497735, 568840, 611503, 796376, 995470, 1223006, 1990940, 2446012, 3057515, 3981880, 4280521, 4892024, 6115030, 8561042, 12230060, 17122084, 21402605, 24460120, 34244168, 42805210, 85610420, 171220840]

約数ペア:

[(1, 171220840), (2, 85610420), (4, 42805210), (5, 34244168), (7, 24460120), (8, 21402605), (10, 17122084), (14, 12230060), (20, 8561042), (28, 6115030), (35, 4892024), (40, 4280521), (43, 3981880), (56, 3057515), (70, 2446012), (86, 1990940), (140, 1223006), (172, 995470), (215, 796376), (280, 611503), (301, 568840), (344, 497735), (430, 398188), (602, 284420), (860, 199094), (1204, 142210), (1505, 113768), (1720, 99547), (2408, 71105), (3010, 56884), (6020, 28442), (12040, 14221)]